EFI partition recovery after delete

[Alex85]

Hello, I wand change disk space with 3d party software. So I delete EFI partition and resize C and D disks. (I didn't know that this partition need to boot PC). 

Now when I start my HP Pavilion 23-b010ez have a black screen and no any reaction on usb flash or keyboard.

How I can recreate EFI partition?

Thanks

[go2]

Alex85

How to create the missing EFI System partition

[pepe999]

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@Alex85 wrote:

Hello, I wand change disk space with 3d party software. So I delete EFI partition and resize C and D disks. (I didn't know that this partition need to boot PC). 

Now when I start my HP Pavilion 23-b125d I have a black screen and no any reaction on usb flash or keyboard.

How I can recreate EFI partition?

Thanks

---

Hi,

It looks like you deleted the OS and probably even the recovery partition. You can restore the EFI boot partition but when you resized the C: and 😧 partition you basically deleted/damaged the content on it. I'm afraid that you need the recovery disks to restore the original system.  

[Alex85]

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@pepe999 wrote:

Hi,

It looks like you deleted the OS and probably even the recovery partition. 

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No, windows is ok. Software do all resize and merge disks without reboot. And I use windows after it. Problem was after reboot.

[go2]

you can shrink the C drive

the risk is that you can lose data

[pepe999]

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@Alex85 wrote:

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@pepe999 wrote:

Hi,

It looks like you deleted the OS and probably even the recovery partition. 

---

No, windows is ok. Software do all resize and merge disks without reboot. And I use windows after it. Problem was after reboot.

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I wouldn't trust any third party software except the Windows Partitioning Utility that lets you shrink the hdd.

[Alex85]

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@go2 wrote:

Alex85

How to create the missing EFI System partition

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Thanks, I will try it when I can connect hdd to another PC. I have home only another notebook Hp probook. So I can't connect 3.5HDD to notebook - to recovery it.

I try start PC with USB, with DVD (Windows 10 install build) - but I have black screen and nothing.

To dvd windows 10 64bit was burned with "Windows 7 USB DVD Download Tool"

To usb - with "Rufus 2.4" - and created like "GPT partition schme for UEFI"

Usb led don't work, so I think usb don't work too .

DVD is working - but not load anything - I have black screen only .

Any soft or method how start windows pre-install to open command line and start PC ?

 I don't shure that my model dont have bios. I have - 

HP Pavilion 23-b010ez

there are bios update in "software and driver support" http://support.hp.com/us-en/drivers/selfservice/HP-Pavilion-23-All-in-One-Desktop-PC-series/5295897/...

Is my motherboard IPISB-AB Leeds-G have bios?

I think yes because I have battery and Bios jumpers.

May be I need do somethine with jumpers? 

[go2]

alex85

do not change the jumpers!!

gopfridstutz gaht nöd

Download the windows 10 Media or 8.1 install it

order a Recovery Media

do not use Rufus etc.

[Alex85]

I bought eSata and connect HDD to another PC.

So it is my mistake there was UEFI in list. So I delete another 200-300Mb partition. May be it was NTFS with label Boot - by recovery program. So I don't have 2 uefi, but what I delete then?

May be somebody have information about it?